Oil burner



Aug. 17, 1937. R F. ANDLER 2,090,566

OIL BURNER Filed Dec. 29, 1936 QVR ATTORNEY.

Patented Aug. 17, 1937 2,090,566 l UNITED STATES PATENT OFFICE i OIL BURNER Robert F. Andler, Rutherford, N. J., assignor to Electrol Incorporated, Clifton, N. J., a corporation of Delaware Application December 29, 1936, serial No. 118,079 s claims. (ci. 15s-7s) My invention relates to apparatus to carry out 4 is formed by an inwardly tapering wall 9. Inthe steps set forth in my copendin-g application side of this inwardly tapering wall 9 I mount a Serial No. 118,081, led December 29, 1936, in truncated conoidal member I which is spaced which I have described a process or method of from the wall 9 thus providing an annular coo oil burning which consists of forming the air noidal space for the escape of the air.

current into a gyrating lamina annulus and then The operation of my burner is as follows: The winding it up after it leaves the discharge nozzle air enters the chamber 4 from the discharge porso it will form a vortex. tion 3 of the blower fan as shown by the arrows The principal object of my invention is to in Fig. 2 and impinges upon the disc B and then lo provide an eicient apparatus for that purpose. escapes through the apertures 1 in a lamina. The l0 A further object is to locate the means for vanes 8 direct it into an annulus having a gyratforming said gyrating lamina annulus inside the ing motion in which form it is discharged from chamber and before mixing the oil with it. the tapering nozzle with the result that it is A further object is to provide a construction formed into a vortex. The oil is sprayed from l to accomplish the desired result which will be the end II of the tube into this gyrating lamina 15 located in the discharge nozzle. of air so that it is thoroughly mixed thus attain- My means of accomplishing the foregoing lng a more eiiicient combustion. objects maybe more fully comprehended by hav- In Figs. 4 and 5 I have shown a disc I3 of ing reference to the accompanying drawing, different form. in this case, the hub I2 of the which is hereunto annexed and 'is a part of disc I3 is concave, while the face of the disc I3 2U this specification in which: against which the air current impinges is convex.

Fig. 1 is a front elevatlonvof my improved A series of vanes I4 are cut or punched from oil burner a portion being shown in section; the disc I3 adjacent the periphery thereof. The

Fig. 2 is a side view of the same, parts of the vanes I4 are bent outwardly or toward the disexterior wall being broken away to show the charge end or nozzle of the chamber 4. This 2;,

interior; leaves a series of apertures I5 in the disc I3 inter- Fig. 3 is a detail perspective view of a deectmediate Vthe vanes. Although I have described ing disc; A the vanes Id being integral with the disc this is Fig. 4 is a vertical section of a fragmentary pornot necessary but is merely a preferred construction of the air lreceiving chamber showing a tion. The vanes I4 should preferably be given 30 modied form of deecting disc; v a slight inclination as well as a back pitch as Fig. 5 is a section taken on the line 5-5 in clearly seen in the drawing. Fig. 4; The result of this construction is that a lamina Fig. 6 is a fragmentary detail view of a modiannulus of gyrating air will be directed from the ed form of deflector disc; and apertures I5. 35 Fig. 7 is a section-taken on the line 1-1 in In Figs. 6 and 7 I have shown a plain cone I6 Fig. 6. mounted upon the tube 5 with its base towards Similar reference numerals refer to similar the discharge nozzle but spaced from the wall of parts throughout the entire specification. the sleeve Aor chamber 4. This operates to de- 40 As shown in the drawing, an electric motor flect the air into alamina annulus. 40 I is directly connected to a blower fan 2 of stand- In order to impart a gyratory motion to this ard construction. The outlet 3 of the fan is conair current I provide a plurality of vanes I'l nected to a cylindrical sleeve or chamber 4. A located in the annular conoidal space intertube 5 is provided through which the oil passes mediate the inwardly tapering wall 9 and the to a nozzle through which it is sprayed. This truncated cone I0. These vanes operate to im- 45 tube may be mounted axially of the chamber. part a gyratorymotion to the air current and On this tube 5 I mount a deflector disc 6 which wind it up so that it will form a vortex when it is provided with a plurality of apertures 1 at its leaves the nozzle. It will be clear to persons Periphely- Varies 3 are east 0n 01 attached t0, skilled in the art that the operation of the modi- In some instances it may be found desirable eration of the one rst described.

to have the disc 5 rotatably mounted on the tube Having described. my invention, what I rewhieh Obviously can be done Without departing gard as new and desire to secure by Letters Patfrom the scope of my invention. em, 1s;

55V The discharging end 0f the Sleeve 01 chamber l. In an oil burner, an electric motor, a blower 55 the disc 6. ed forms of construction are similar to the 0p- 50 fan drivenrby said motor, a cylindrical conduit closed at one end and open at the other end, means to connect the discharge of the fan to the said conduit adjacent its closed end, an oil supply tube which extends axially in said conduit, a nozzle at the end of said tube to spray oil beyond the open end of said conduit, a disc on said tube between said connecting means and the open end of said conduit, said disc being provided with a plurality of peripheral notches and contacting the wall of said conduit, a plurality of inclined vanes adjacent said notches, said notches and vanes directing the contract said gyrating air current and cause it to form a vortex outside of said conduit.

2. In an oil burner, an fan driven by said motor, a cylindrical conduit closed at one end and open at the other end, means to connect the discharge of the fan to the said conduit adjacent its closed end, an oil supply tube which extends axially in said conduit, a nozzle. at the end of said tube to spray oil beyond the open end of said conduit, a concave dis'c rotatably mounted on said tube between said connecting means and the open end of said conduit, a plurality of vanes formed on said disc adjacent its periphery, said disc being provided with openings intermediate said vanes, said disc when rotated drawing the air directly into the vanes and thrusting it outwardly in a gyrating annulus along the conduit wall, and means at the discharge end of said conduit to contract said gyrating air current and cause it to form a vortex outside of said conduit.

3. In an oil burner, an electric motor, a blower fan driven by said motor, a cylindrical conduit closed at one end and open at the other end, means to connect the discharge of the fan to the said conduit adjacent its closed end, an oil sup- `ply tube which extends axially in said conduit,

and the open end of said conduit, said disc having a plurality of vanes adjacent its periphery, said disc being provided with openings intermediate said vanes which direct the air into a thin gyrating annulus along the conduit wall, and means at the discharge end of said conduit to contract said gyrating air current and cause it to form a vortex outside of said conduit.

electric motor, a blower 4. In an oil burner. an electric motor, a blower fan driven by said motor, a cylindrical conduit closed at one end and open at the other end, means to connect the discharge of the fan to the said conduit adjacent its closed end, an oil supply tube which extends axially in said conduit, a nozzle at the end of said tube to spray oil beyond the open end of said conduit, a disk mounted on said tube between said connecting means and the open end of said conduit, said disc being provided with a, plurality of peripheral notches, said notches being formed to direct the air current into a thin gyrating annulus along the conduit wall, and means at the discharge end of said conduit to contract said gyrating air current and cause it to form a vortex outside of said conduit.

5. In an oil burner, an electric motor, a blower driven by said motor, a cylindrical conduit closed at one end and open at the other end. means to connect the discharge of the fan to the said conduit adjacent its closed end, an oil supply tube Which extends axially in said conduit, a nozzle at the end of said tube to spray oil beyond the open end of said conduit, a disk on said tube between said connecting means and the open end of said conduit, said disc being provided with a plurality of peripheral notches, a plurality of inclined vanes adjacent said notches whereby the air current is formed into a gyrating annulus along the conduit wall, the discharge end of said chamber tapering inwardly, a truncated cone mounted inside of said inwardly tapering Wall but spaced therefrom and a plurality of vanes mounted in said space, said vanes being inclined said chamber.

ROBERT F. ANDLER. 

